22210020321221 has 8 divisors (see below), whose sum is σ = 23390734762080. Its totient is φ = 21030482480688.

The previous prime is 22210020321133. The next prime is 22210020321253. The reversal of 22210020321221 is 12212302001222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22210020321221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22210020321193 and 22210020321202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22210020321521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294111326 + ... + 294186831.

It is an arithmetic number, because the mean of its divisors is an integer number (2923841845260).

Almost surely, 2^{22210020321221} is an apocalyptic number.

It is an amenable number.

22210020321221 is a deficient number, since it is larger than the sum of its proper divisors (1180714440859).

22210020321221 is a wasteful number, since it uses less digits than its factorization.

22210020321221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588300163.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 22210020321221 its reverse (12212302001222), we get a palindrome (34422322322443).

The spelling of 22210020321221 in words is "twenty-two trillion, two hundred ten billion, twenty million, three hundred twenty-one thousand, two hundred twenty-one".